Analysis And Commentary On The Harmfulness Of Surface Subsidence In Shulan City

Because the geology disaster has the indetermination, hair of Pin , abrupt and strong destructivenesses, as a result, the prevention and cure of the our country geology disaster research work is relate to the people the life property safety and economic construction in place of a very heavy work of want, in recent years, the nation accounts the Wei, the national territory resources department and Chinese geologiest to inv -estigate the prevention and cure that the bureau one after another opens the exhibition geology disaster to check and the disaster early -warning engineering item plan, the geology disaster of the Shulan City investigates to row one of the sub- topic that the item is among them with area.The province northeast of a Jilin in the Shulan City, abound in the coal, is an important coal of our country to produce one of the bases, steel, turn fatty, spin and weave, cement, deckle, agriculture machine, build the wine etc. the industry is complete with everything, the economic total amount of whole city can amount to 10,500,000,000 dollar renminbi to whole city citizen's total output value of 2005 over 5,000,000,000 dollar people's currency, the fixed assets breaks 10,000,000,000 dollar renminbi.But the geology here environment quantity is worse, the ground falls to sink, a crack, mudslide, collapse the hour of the geology disaster of etc. contain occurrence, is a ground to fall to sink the disaster particularly very serious, the direct economy that each kind of geology disaster result in loses about 150,000,000 dollar renminbi, the life property that endangered the people seriously and The safety of the public facilities, obstructed the economy construction of the region and it develops the speed, so check the present condition of the geology disaster of the pure and Shulan City and become because of and it develops the trend is very necessary, is a risk that checks the main geology disaster- ground of the pure here to fall to sink particularly more important.This text with" the risk of the geology disaster of the Shulan City analysis and evaluation" for, adopted the concrete on-site inspection, analyze, tally up, evaluation of method, fell to sink to carry on the area of cent and evaluations to the main geology the disaster type- ground in the district:1,Very high and dangerous area:The east enriches to fall rich 50 meters of primary school north of east of sink the area, falling to sink the depth to amount to 3-20 meters, a form falls to sink the area,20001000 meters of×s, and the trend that fall to sink tend in gradually strong, a crack extremely develops, become because emit a type, but fall to sink to order to appear for the single of.Fall to sink the area to amount to 2.97 square kilometers.